peripheral self-priming automatic water pump: 1.CE, GS, ISO9001:2000, CCC 2.More energy-saving,long durablity, 3.100% sure of peripheral self-priming automatic water pump: ModelPower(kw hp)Head(M)Flow(M3/H)Suction(M)Diameter(mm)Weight(kg)packing(cm)GP-1250.25KW 0.33HP352.4825*25820*16*22GP-125A0.25KW 0.33HP352.4825*258.524*16*25